CVE-2026-46890

Critical

Description

Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.5. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Marketing. Successful attacks of this vulnerability can result in takeover of Siebel Apps - Marketing. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

SeverityCritical

CVSS9.8

Exploit probability—

Product

Oracle Siebel Apps - Marketing

PublishedJun 17, 2026

First seenJun 17, 2026

Weakness typeCWE-306Missing authentication for critical function CWE-287Improper authentication CWE-284Improper access control

How to fix

Vendor advisories

oracle.com/security-alerts/cspujun2026.html

Affected products

Product	Affected versions	Fixed in
oracle siebel_apps_-_marketing	17.0 ≤ v ≤ 26.5	—

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